ZA734774B - A portable instrument for selectively detecting alpha-particles derived from radon - Google Patents

A portable instrument for selectively detecting alpha-particles derived from radon

Info

Publication number
ZA734774B
ZA734774B ZA734774A ZA734774A ZA734774B ZA 734774 B ZA734774 B ZA 734774B ZA 734774 A ZA734774 A ZA 734774A ZA 734774 A ZA734774 A ZA 734774A ZA 734774 B ZA734774 B ZA 734774B
Authority
ZA
South Africa
Prior art keywords
radon
particles derived
portable instrument
selectively detecting
detecting alpha
Prior art date
Application number
ZA734774A
Inventor
A Chapuis
D Dajlevic
Original Assignee
Commissariat Energie Atomique
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Commissariat Energie Atomique filed Critical Commissariat Energie Atomique
Publication of ZA734774B publication Critical patent/ZA734774B/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/17—Circuit arrangements not adapted to a particular type of detector
    • G01T1/178—Circuit arrangements not adapted to a particular type of detector for measuring specific activity in the presence of other radioactive substances, e.g. natural, in the air or in liquids such as rain water
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T5/00—Recording of movements or tracks of particles; Processing or analysis of such tracks
    • G01T5/10—Plates or blocks in which tracks of nuclear particles are made visible by after-treatment, e.g. using photographic emulsion, using mica
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T7/00—Details of radiation-measuring instruments
    • G01T7/02—Collecting means for receiving or storing samples to be investigated and possibly directly transporting the samples to the measuring arrangement; particularly for investigating radioactive fluids
    • G01T7/04—Collecting means for receiving or storing samples to be investigated and possibly directly transporting the samples to the measuring arrangement; particularly for investigating radioactive fluids by filtration
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
    • G21K1/02—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating using diaphragms, collimators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S250/00—Radiant energy
    • Y10S250/02—Radon detection
ZA734774A 1972-07-13 1973-07-13 A portable instrument for selectively detecting alpha-particles derived from radon ZA734774B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7225550A FR2192316B1 (en) 1972-07-13 1972-07-13

Publications (1)

Publication Number Publication Date
ZA734774B true ZA734774B (en) 1974-10-30

Family

ID=9101856

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA734774A ZA734774B (en) 1972-07-13 1973-07-13 A portable instrument for selectively detecting alpha-particles derived from radon

Country Status (8)

Country Link
US (1) US3922555A (en)
JP (1) JPS5646113B2 (en)
AU (1) AU475714B2 (en)
CA (1) CA994007A (en)
CS (1) CS171288B2 (en)
FR (1) FR2192316B1 (en)
GB (1) GB1414856A (en)
ZA (1) ZA734774B (en)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4336451A (en) * 1978-02-21 1982-06-22 Stieff Lorin R Field method for detecting deposits containing uranium and thorium
CA1076267A (en) 1979-02-26 1980-04-22 Keith Bell Radon detection
DE2926491C2 (en) * 1979-06-30 1983-02-24 Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe Dosimeter for the detection of radon and / or thoron and their derivatives
FR2563633B1 (en) * 1984-04-27 1986-07-18 Commissariat Energie Atomique DEVICE FOR CONTROLLING ATMOSPHERIC CONTAMINATION DUE TO ALPHA PARTICLE EMITTING AEROSOLS
US4864143A (en) * 1986-04-08 1989-09-05 Pai Hsiang L Time-average radon daughters (WL) dosimeter for mines, indoor and environment survey
US4861985A (en) * 1986-04-08 1989-08-29 Pai Hsiang L Time-averaged radon daughters (WL) dosimeter and method for surveys of indoor, outdoor and underground (MINE) contamination
FI77733C (en) * 1987-06-18 1989-04-10 Ilmasti Elektroniikka Oy MAETANORDNING FOER RADONGAS I JORDMAON.
JPH01134287A (en) * 1987-11-20 1989-05-26 Kagaku Gijutsucho Hoshasen Igaku Sogo Kenkyusho Portable dust monitor
US4920263A (en) * 1988-01-26 1990-04-24 Gemini Research, Inc. Radon detection system
FR2634027A1 (en) * 1988-07-06 1990-01-12 Kodak Pathe PASSIVE DETECTOR OF RADIATION
US4963730A (en) * 1989-03-20 1990-10-16 Rad-X Ltd. Radon progeny detector
FR2647910B1 (en) * 1989-05-30 1991-08-30 Commissariat Energie Atomique METHOD AND DEVICE FOR MEASURING THE CONCENTRATION OF DIFFERENT RADIO ISOTOPES IN A GAS ATMOSPHERE
US5204528A (en) * 1989-06-09 1993-04-20 Consultec Scientific, Inc. System for determining health risk due to radon progeny and uses thereof
US5026986A (en) * 1989-06-09 1991-06-25 Consultec Scientific, Inc. Radon monitor and control system based upon alpha particle detection
US5039866A (en) * 1989-11-07 1991-08-13 Jiri Kvasnicka Nuclear track detector method for radon monitoring in buildings through the 210 polonium measurement on glass
US4975574A (en) * 1990-01-05 1990-12-04 Henry Lucas Method of and apparatus for measuring the mean concentration of thoron and/or radon in a gas mixture
US5457044A (en) * 1993-10-29 1995-10-10 Genentech, Inc. Method for collection of aerosolized proteins by inert filtration
US5834628A (en) * 1995-11-09 1998-11-10 Consultec Scientific, Inc. Activity weighted particle size distribution system
GB2324695B (en) * 1997-04-23 2001-06-13 Univ Bristol Pollution monitoring
KR200356797Y1 (en) * 2004-03-17 2004-07-21 (주)알엔테크 Time Integrate Type Radon Detector with Semicircle Ring
US8143584B2 (en) * 2008-02-04 2012-03-27 Radon Technologies, Inc. Radon monitor
CN109655861B (en) * 2018-12-18 2022-06-07 衡阳师范学院 Method for measuring radium concentration in water in closed loop mode
CN109613590B (en) * 2018-12-18 2022-06-07 衡阳师范学院 Method for measuring radium concentration in water by closed-loop two-stage method
CN109655860B (en) * 2018-12-18 2022-06-07 衡阳师范学院 Method for quickly measuring radium concentration in water in closed loop mode
CN109655866B (en) * 2018-12-21 2022-08-12 衡阳师范学院 Method for measuring radium concentration in water by closed-loop electrostatic collection two-stage method
CN109655865B (en) * 2018-12-21 2022-06-21 衡阳师范学院 Method for measuring radium concentration in water in closed loop mode through total counting of Po-218 and Po-214
CN109655867B (en) * 2018-12-21 2022-06-21 衡阳师范学院 Method for quickly measuring radium concentration in water through closed-loop partial integration
CN109655862B (en) * 2018-12-21 2022-06-21 衡阳师范学院 Method for partially integrating and measuring radium concentration in water by closed-loop electrostatic collection method
CN109655868B (en) * 2018-12-21 2022-08-02 衡阳师范学院 Method for rapidly measuring radium concentration in water by closed-loop electrostatic collection method
CN109655864B (en) * 2018-12-21 2022-06-21 衡阳师范学院 Method for measuring radium concentration in water by Po-218 and Po-214 total counting closed-loop two-stage method
CN109655863B (en) * 2018-12-21 2022-06-21 衡阳师范学院 Method for measuring radium concentration in water in two cycles of closed-loop electrostatic collection
CN109655869B (en) * 2018-12-21 2022-06-21 衡阳师范学院 Method for rapidly measuring radium concentration in water in closed-loop two-period mode
EP3963369A1 (en) 2019-04-30 2022-03-09 Hochschule Mannheim Detection system for ionizing radiation

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1279587A (en) * 1960-12-19 1961-12-22 Vakutronik Veb Method and device for the energy-independent measurement of surface radioactive contamination produced by alpha-genic substances
US3558884A (en) * 1968-01-08 1971-01-26 Valentin Grigorievich Babich Instrument for determining the weight and active concentration of aerosols
JPS4328631Y1 (en) * 1968-06-21 1968-11-25
US3505523A (en) * 1968-08-02 1970-04-07 Atomic Energy Commission Personnel radon dosimeter
US3665194A (en) * 1968-12-27 1972-05-23 Gen Electric Radon detection
US3604931A (en) * 1969-12-10 1971-09-14 Atomic Energy Commission Neutron dosimeter including a step wedge formed of an alpha-attenuating material

Also Published As

Publication number Publication date
FR2192316B1 (en) 1974-12-27
US3922555A (en) 1975-11-25
CA994007A (en) 1976-07-27
AU5809573A (en) 1975-01-16
GB1414856A (en) 1975-11-19
JPS4986080A (en) 1974-08-17
JPS5646113B2 (en) 1981-10-30
CS171288B2 (en) 1976-10-29
FR2192316A1 (en) 1974-02-08
AU475714B2 (en) 1976-09-02

Similar Documents

Publication Publication Date Title
ZA734774B (en) A portable instrument for selectively detecting alpha-particles derived from radon
DK143543C (en) ROTATION PRESSURE MACHINE DEVICE
HK36181A (en) Surgial stapling instrument
GB1441137A (en) Handheld reading device
AU462098B2 (en) A device for measuring or detecting gas
ES198896Y (en) A TOOL HOLDER SET.
SE391468B (en) DEVICE FOR DETECTING THE CONDITION OF A ROTARY TOOL
NL7601947A (en) BALANCE DEVICE FOR A ROTATING BODY.
NO139702C (en) DEVICE FOR FITTING A WELL INSTRUMENT IN A WELL
RO70794A (en) GAS PURIFICATION DEVICE
AU8449175A (en) A gas-sensitive device
AU5657673A (en) Error detection error detection
JPS54109465A (en) Phase detecting type transducer apparatus
AU8177275A (en) Drill sampling diversion unit
ZA734971B (en) A condenser-discharge stud-welding tool
BR7301566D0 (en) PRESSURE-SENSITIVE DEVICE
AU7378974A (en) Sensing device
NO145388C (en) DEVICE FOR PERFORING A BROWN.
AR194033A1 (en) A PERCUSSION APPARATUS
IE38993L (en) Locating device for reinforcement members
FR2336041A5 (en) PORTABLE LABELING MACHINE
AR209804A1 (en) A FLEXIBLY MOUNTED CONTAINER DEVICE
BE833365A (en) ULTRASONIC DISPLACEMENT DETECTOR
IL41392A0 (en) A coin testing device
IL38904A0 (en) A musical device